stdio/FreeBSD/fopen.3.patch

   1 --- fopen.3.bsdnew      2009-11-11 13:33:06.000000000 -0800
   2 +++ fopen.3     2009-11-11 13:33:07.000000000 -0800
   3 @@ -36,8 +36,8 @@
   4  .Dt FOPEN 3
   5  .Os
   6  .Sh NAME
   7 -.Nm fopen ,
   8  .Nm fdopen ,
   9 +.Nm fopen ,
  10  .Nm freopen
  11  .Nd stream open functions
  12  .Sh LIBRARY
  13 @@ -45,17 +45,27 @@
  14  .Sh SYNOPSIS
  15  .In stdio.h
  16  .Ft FILE *
  17 -.Fn fopen "const char * restrict path" "const char * restrict mode"
  18 +.Fo fdopen
  19 +.Fa "int fildes"
  20 +.Fa "const char *mode"
  21 +.Fc
  22  .Ft FILE *
  23 -.Fn fdopen "int fildes" "const char *mode"
  24 +.Fo fopen
  25 +.Fa "const char *restrict filename"
  26 +.Fa "const char *restrict mode"
  27 +.Fc
  28  .Ft FILE *
  29 -.Fn freopen "const char *path" "const char *mode" "FILE *stream"
  30 +.Fo freopen
  31 +.Fa "const char *restrict filename"
  32 +.Fa "const char *restrict mode"
  33 +.Fa "FILE *restrict stream"
  34 +.Fc
  35  .Sh DESCRIPTION
  36  The
  37  .Fn fopen
  38  function
  39  opens the file whose name is the string pointed to by
  40 -.Fa path
  41 +.Fa filename
  42  and associates a stream with it.
  43  .Pp
  44  The argument
  45 @@ -103,6 +113,17 @@ This is strictly for compatibility with
  46  .St -isoC
  47  and has no effect; the ``b'' is ignored.
  48  .Pp
  49 +Finally, as an extension to the standards (and thus may not be portable),
  50 +.Fa mode
  51 +string may end with the letter ``x'', which insists on creating a new file
  52 +when used with ``w'' or ``a''.
  53 +If
  54 +.Fa path
  55 +exists, then an error is returned (this is the equivalent of specifying
  56 +.Dv O_EXCL
  57 +with
  58 +.Xr open 2 ) .
  59 +.Pp
  60  Any created files will have mode
  61  .Pf \\*q Dv S_IRUSR
  62  \&|
  63 @@ -144,7 +165,7 @@ The
  64  .Fn freopen
  65  function
  66  opens the file whose name is the string pointed to by
  67 -.Fa path
  68 +.Fa filename
  69  and associates the stream pointed to by
  70  .Fa stream
  71  with it.
  72 @@ -156,7 +177,7 @@ argument is used just as in the
  73  function.
  74  .Pp
  75  If the
  76 -.Fa path
  77 +.Fa filename
  78  argument is
  79  .Dv NULL ,
  80  .Fn freopen
  81 @@ -200,7 +221,7 @@ or
  82  .Sh RETURN VALUES
  83  Upon successful completion
  84  .Fn fopen ,
  85 -.Fn fdopen
  86 +.Fn fdopen ,
  87  and
  88  .Fn freopen
  89  return a